1. Plural of conservatory: a greenhouse or glass building for growing and displaying plants.
Usage: Most common sense in modern usage
2. Plural of conservatory: a school or academy for instruction in music or other fine arts.
Usage: Common in formal educational contexts

Examples

• The botanical garden has several large conservatories filled with tropical plants.
• She studied violin at one of the country's most prestigious conservatories.
• The conservatories on the estate were built in the Victorian era.
• Many conservatories offer scholarships to talented young musicians.
• The glass conservatories maintain warm temperatures year-round for exotic species.
• He graduated from two different conservatories before becoming a professional conductor.